Pope Benedict XVI, left, addresses a speech in front of Lebanese honor guards during his departure ceremony, at Rafik Hariri International airport, in Beirut, Lebanon, Sunday Sept. 16, 2012. Pope Benedict XVI end his three days visit to Lebanon after he celebrated an open-air mass for tens of thousands of pilgrims from across the Middle East, saying Christians must do their part to end the \"grim trail of death and destruction\" in the region. (AP Photo/Hussein Malla)